[12] | 1 | MODULE etat0_williamson_mod |
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[19] | 2 | USE icosa |
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[12] | 3 | PRIVATE |
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| 4 | REAL(rstd), PARAMETER :: h0=8.E3 |
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| 5 | REAL(rstd), PARAMETER :: R0=4 |
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| 6 | REAL(rstd), PARAMETER :: K0=7.848E-6 |
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| 7 | REAL(rstd), PARAMETER :: omega0=K0 |
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| 8 | |
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[164] | 9 | PUBLIC etat0_williamson, etat0_williamson_new |
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| 10 | |
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[12] | 11 | CONTAINS |
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| 12 | |
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| 13 | |
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| 14 | SUBROUTINE etat0_williamson(f_h,f_u) |
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[19] | 15 | USE icosa |
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[12] | 16 | IMPLICIT NONE |
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| 17 | TYPE(t_field),POINTER :: f_h(:) |
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| 18 | TYPE(t_field),POINTER :: f_u(:) |
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| 19 | |
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| 20 | REAL(rstd),POINTER :: h(:) |
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| 21 | REAL(rstd),POINTER :: u(:) |
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| 22 | INTEGER :: ind |
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| 23 | |
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| 24 | DO ind=1,ndomain |
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| 25 | CALL swap_dimensions(ind) |
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| 26 | CALL swap_geometry(ind) |
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| 27 | h=f_h(ind) |
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| 28 | u=f_u(ind) |
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| 29 | CALL compute_etat0_williamson(h, u) |
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| 30 | ENDDO |
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| 31 | |
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| 32 | END SUBROUTINE etat0_williamson |
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| 33 | |
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[164] | 34 | SUBROUTINE etat0_williamson_new(f_phis,f_mass,f_theta_rhodz,f_u, f_q) |
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| 35 | USE icosa |
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| 36 | USE mpipara, ONLY : is_mpi_root |
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| 37 | USE disvert_mod, ONLY : caldyn_eta, eta_lag |
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| 38 | |
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| 39 | IMPLICIT NONE |
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| 40 | TYPE(t_field),POINTER :: f_phis(:) |
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| 41 | TYPE(t_field),POINTER :: f_mass(:) |
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| 42 | TYPE(t_field),POINTER :: f_theta_rhodz(:) |
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| 43 | TYPE(t_field),POINTER :: f_u(:) |
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| 44 | TYPE(t_field),POINTER :: f_q(:) |
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| 45 | |
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| 46 | REAL(rstd),POINTER :: phis(:) |
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| 47 | REAL(rstd),POINTER :: h(:,:) |
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| 48 | REAL(rstd),POINTER :: theta_rhodz(:,:) |
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| 49 | REAL(rstd),POINTER :: u(:,:) |
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| 50 | INTEGER :: ind |
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| 51 | |
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| 52 | IF(caldyn_eta /= eta_lag) THEN |
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| 53 | IF(is_mpi_root) PRINT *, 'etat0_type=williamson91.5 (Williamson,1991) must be used with caldyn_eta=eta_lag' |
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| 54 | STOP |
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| 55 | END IF |
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| 56 | |
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| 57 | IF(llm>1) THEN |
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| 58 | IF(is_mpi_root) PRINT *, 'etat0_type=williamson91.5 (Williamson,1991) must be used with llm=1 but llm =',llm |
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| 59 | STOP |
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| 60 | END IF |
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| 61 | |
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| 62 | DO ind=1,ndomain |
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| 63 | CALL swap_dimensions(ind) |
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| 64 | CALL swap_geometry(ind) |
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| 65 | h=f_mass(ind) |
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| 66 | u=f_u(ind) |
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| 67 | theta_rhodz=f_theta_rhodz(ind) |
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| 68 | phis=f_phis(ind) |
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| 69 | CALL compute_etat0_williamson(h(:,1), u(:,1)) |
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| 70 | phis(:)=0. |
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| 71 | theta_rhodz(:,:) = h(:,:) |
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| 72 | ENDDO |
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| 73 | |
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| 74 | END SUBROUTINE etat0_williamson_new |
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| 75 | |
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[12] | 76 | SUBROUTINE compute_etat0_williamson(hi, ue) |
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[19] | 77 | USE icosa |
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[12] | 78 | IMPLICIT NONE |
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| 79 | REAL(rstd),INTENT(OUT) :: hi(iim*jjm) |
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| 80 | REAL(rstd),INTENT(OUT) :: ue(3*iim*jjm) |
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| 81 | REAL(rstd) :: lon, lat |
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| 82 | REAL(rstd) :: nx(3),n_norm,Velocity(3) |
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| 83 | REAL(rstd) :: A,B,C |
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| 84 | REAL(rstd) :: v1(3),v2(3),ny(3) |
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| 85 | REAL(rstd) :: de_min |
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| 86 | |
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| 87 | INTEGER :: i,j,n |
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| 88 | |
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| 89 | |
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| 90 | DO j=jj_begin-1,jj_end+1 |
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| 91 | DO i=ii_begin-1,ii_end+1 |
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| 92 | n=(j-1)*iim+i |
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| 93 | CALL xyz2lonlat(xyz_i(n,:),lon,lat) |
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| 94 | A= 0.5*omega0*(2*omega+omega0)*cos(lat)**2 & |
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| 95 | + 0.25*K0**2*cos(lat)**(2*R0)*((R0+1)*cos(lat)**2+(2*R0**2-R0-2)-2*R0**2/cos(lat)**2) |
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| 96 | B=2*(omega+omega0)*K0/((R0+1)*(R0+2))*cos(lat)**R0*((R0**2+2*R0+2)-(R0+1)**2*cos(lat)**2) |
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| 97 | C=0.25*K0**2*cos(lat)**(2*R0)*((R0+1)*cos(lat)**2-(R0+2)) |
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| 98 | |
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| 99 | hi(n)=(g*h0+radius**2*A+radius**2*B*cos(R0*lon)+radius**2*C*cos(2*R0*lon))/g |
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| 100 | |
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| 101 | |
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| 102 | CALL compute_velocity(xyz_e(n+u_right,:),velocity) |
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| 103 | CALL cross_product2(xyz_v(n+z_rdown,:),xyz_v(n+z_rup,:),nx) |
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| 104 | |
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| 105 | ue(n+u_right)=1e-10 |
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| 106 | n_norm=sqrt(sum(nx(:)**2)) |
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| 107 | IF (n_norm>1e-30) THEN |
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| 108 | nx=-nx/n_norm*ne(n,right) |
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| 109 | ue(n+u_right)=sum(nx(:)*velocity(:)) |
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| 110 | IF (ABS(ue(n+u_right))<1e-100) PRINT *,"ue(n+u_right) ==0",i,j,velocity(:) |
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| 111 | ENDIF |
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| 112 | |
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| 113 | |
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| 114 | |
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| 115 | CALL compute_velocity(xyz_e(n+u_lup,:),velocity) |
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| 116 | CALL cross_product2(xyz_v(n+z_up,:),xyz_v(n+z_lup,:),nx) |
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| 117 | |
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| 118 | ue(n+u_lup)=1e-10 |
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| 119 | n_norm=sqrt(sum(nx(:)**2)) |
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| 120 | IF (n_norm>1e-30) THEN |
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| 121 | nx=-nx/n_norm*ne(n,lup) |
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| 122 | ue(n+u_lup)=sum(nx(:)*velocity(:)) |
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| 123 | IF (ABS(ue(n+u_lup))<1e-100) PRINT *,"ue(n+u_lup) ==0",i,j,velocity(:) |
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| 124 | ENDIF |
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| 125 | |
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| 126 | |
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| 127 | CALL compute_velocity(xyz_e(n+u_ldown,:),velocity) |
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| 128 | CALL cross_product2(xyz_v(n+z_ldown,:),xyz_v(n+z_down,:),nx) |
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| 129 | |
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| 130 | ue(n+u_ldown)=1e-10 |
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| 131 | n_norm=sqrt(sum(nx(:)**2)) |
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| 132 | IF (n_norm>1e-30) THEN |
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| 133 | nx=-nx/n_norm*ne(n,ldown) |
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| 134 | ue(n+u_ldown)=sum(nx(:)*velocity(:)) |
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| 135 | IF (ABS(ue(n+u_ldown))<1e-100) PRINT *,"ue(n+u_ldown) ==0",i,j |
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| 136 | ENDIF |
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| 137 | |
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| 138 | |
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| 139 | ENDDO |
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| 140 | ENDDO |
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| 141 | |
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| 142 | CONTAINS |
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| 143 | |
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| 144 | SUBROUTINE compute_velocity(x,velocity) |
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| 145 | IMPLICIT NONE |
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| 146 | REAL(rstd),INTENT(IN) :: x(3) |
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| 147 | REAL(rstd),INTENT(OUT) :: velocity(3) |
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| 148 | REAL(rstd) :: e_lat(3), e_lon(3) |
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| 149 | REAL(rstd) :: lon,lat |
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| 150 | REAL(rstd) :: u,v |
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| 151 | |
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| 152 | CALL xyz2lonlat(x/radius,lon,lat) |
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| 153 | e_lat(1) = -cos(lon)*sin(lat) |
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| 154 | e_lat(2) = -sin(lon)*sin(lat) |
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| 155 | e_lat(3) = cos(lat) |
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| 156 | |
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| 157 | e_lon(1) = -sin(lon) |
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| 158 | e_lon(2) = cos(lon) |
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| 159 | e_lon(3) = 0 |
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| 160 | |
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| 161 | u=radius*omega0*cos(lat)+radius*K0*cos(lat)**(R0-1)*(R0*sin(lat)**2-cos(lat)**2)*cos(R0*lon) |
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| 162 | v=-radius*K0*R0*cos(lat)**(R0-1)*sin(lat)*sin(R0*lon) |
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| 163 | |
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| 164 | Velocity=(u*e_lon+v*e_lat+1e-50) |
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| 165 | |
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| 166 | END SUBROUTINE compute_velocity |
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| 167 | |
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| 168 | END SUBROUTINE compute_etat0_williamson |
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| 169 | |
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| 170 | END MODULE etat0_williamson_mod |
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